/*$('#aa').click(function(){alert('');});

/*
//Load the Visualization API and the piechart package.
google.load('visualization', '1.0', {'packages':['corechart']});

// Set a callback to run when the Google Visualization API is loaded.
google.setOnLoadCallback(drawChart);

// Callback that creates and populates a data table,
// instantiates the pie chart, passes in the data and
// draws it.
function drawChart() {

  // Create the data table.
  var data = new google.visualization.DataTable();
  data.addColumn('string', 'Topping');
  data.addColumn('number', 'Slices');
  data.addRows([
    ['Mushrooms', 3],
    ['Onions', 1],
    ['Olives', 1],
    ['Zucchini', 1],
    ['Pepperoni', 2]
  ]);

  // Set chart options
  var options = {'title':'How Much Pizza I Ate Last Night',
                 'width':400,
                 'height':300};

  // Instantiate and draw our chart, passing in some options.
  var chart = new google.visualization.PieChart(document.getElementById('chart_div'));
  chart.draw(data, options);
}

google.load('visualization', '1', {packages: ['table', 'columnchart']});

  function drawVisualization() {
    var dataTable = google.visualization.arrayToDataTable([
      ['Theme',   'Exo'],
      ['History',   24],
      ['Science',   52],
      ['Technology', 16],
      ['Nature',  72]
    ]);
  
    var table = new google.visualization.Table(document.getElementById('table'));
    table.draw(dataTable, null);
  
    var dataView = new google.visualization.DataView(dataTable);
    dataView.setColumns([0, 1]);
  
    var chart = new google.visualization.ColumnChart(document.getElementById('chart'));
    chart.draw(dataView, {width: 400, height: 200});
  }
  

  google.setOnLoadCallback(drawVisualization);
*/